What does garrison believe are the most devastating effects of slavery In narrative of the life of Frederick Douglass?

In "Narrative of the Life of Frederick Douglass," Garrison emphasizes that the most devastating effects of slavery include the dehumanization of both the enslaved and the enslavers, the destruction of family bonds, and the moral corruption of society. He argues that slavery strips individuals of their dignity and humanity, leading to a cycle of violence and oppression. Additionally, Garrison highlights the psychological trauma inflicted on enslaved people, which perpetuates their suffering long after they attain freedom.